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ASTM D3227-04a

Historical Revision

Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method)

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1.1 This test method covers the determination of mercaptan sulfur in gasolines, kerosines, aviation turbine fuels, and distillate fuels containing from 0.0003 to 0.01 mass % of mercaptan sulfur. Organic sulfur compounds such as sulfides, disulfides, and thiophene, do not interfere. Elemental sulfur in amounts less than 0.0005 mass % does not interfere. Hydrogen sulfide will interfere if not removed, as described in .

1.2 The values in acceptable SI units are to be regarded as the standard. The values in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see Sections , , , and .

1.3 This test method provides an alternative to using a cadmium sulfate acid solution. (Warning-Poison. May be fatal if swallowed or inhaled. A known carcinogen (animal positive).) (Warning-Poison. Causes severe burns. Harmful or fatal if swallowed or inhaled.)

1.4 This test method uses lead acetate test paper (Warning-Poison, health hazard, may be toxic by ingestion, inhalation, or absorption through the skin) to test for the presence of hydrogen sulfide and sodium hydrogen carbonate for the removal of hydrogen sulfide.

1.5 This test method shall not be used when the sample is a referee sample or when QA/QC protocols specify the test method as written. Instances in which they can be used may be instances of routine refinery control samples.


Mercaptan sulfur has an objectionable odor, an adverse effect on fuel system elastomers, and is corrosive to fuel system components.

SDO ASTM: ASTM International
Document Number D3227
Publication Date Nov. 1, 2004
Language en - English
Page Count 8
Revision Level 04a
Supercedes
Committee D02.03
Publish Date Document Id Type View
March 1, 2024 D3227-24 Revision
May 1, 2023 D3227-23 Revision
Oct. 1, 2016 D3227-16 Revision
June 15, 2013 D3227-13 Revision
Nov. 1, 2004 D3227-04A Revision
May 1, 2004 D3227-04 Revision
Nov. 10, 2002 D3227-02A Revision
April 10, 2002 D3227-02 Revision
April 10, 2002 D3227-00 Revision
Nov. 1, 2004 D3227-04AR10 Reaffirmation